<template>
  <div class="login" >

    <el-form ref="loginForm" :model="loginForm" class="loginPart" style="opacity:0.9">
      <!--      <div class="loginPart">-->
      <h3 class="title1">温泉洗浴管理系统</h3>

      <el-form-item class="inputElement" prop="username">

        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          id="username"
          placeholder="账号"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item class="inputElement" prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          id="password"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <!--      <el-form-item prop="code" v-if="captchaOnOff">-->
      <!--        <el-input-->
      <!--          v-model="loginForm.code"-->
      <!--          auto-complete="off"-->
      <!--          placeholder="验证码"-->
      <!--          style="width: 63%"-->
      <!--          @keyup.enter.native="handleLogin"-->
      <!--        >-->
      <!--          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />-->
      <!--        </el-input>-->
      <!--        <div class="login-code">-->
      <!--          <img :src="codeUrl" @click="getCode" class="login-code-img"/>-->
      <!--        </div>-->
      <!--      </el-form-item>-->
      <!--<el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>-->
      <el-form-item style="width:100%;">
        <el-button round
                   :loading="loading"
                   size="medium"
                   id="login"

                   style="width:100%;margin-left: 20px"
                   @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>

          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: left;"v-if="forgetPassword" >
          <!--<router-link class="link-type" :to="'/register'">立即注册</router-link>-->
        </div>
        <!--        <div style="float: right;" v-if="register">-->
        <!--          <router-link class="link-type" :to="'/forgetPassword'">忘记密码</router-link>-->

        <!--        </div>-->
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>温泉洗浴管理系统</span>
    </div>
  </div>
</template>

<script>
  import { getCodeImg } from "@/api/login";
  import Cookies from "js-cookie";
  import { encrypt, decrypt } from '@/utils/jsencrypt'

  export default {
    name: "Login",
    data() {
      return {
        codeUrl: "",
        loginForm: {
          username: "",
          password: "",
          rememberMe: false,
          code: "",
          uuid: ""
        },
        // loginRules: {
        //   username: [
        //     { required: true, trigger: "blur", message: "请输入您的账号" }
        //   ],
        //   password: [
        //     { required: true, trigger: "blur", message: "请输入您的密码" }
        //   ],
        //   code: [{ required: true, trigger: "change", message: "请输入验证码" }]
        // },
        loading: false,
        // 验证码开关
        captchaOnOff: false,
        // 注册开关
        register: true,
        forgetPassword: true,
        redirect: undefined,


      };
    },
    watch: {
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true
      }
    },
    created() {
      this.getCode();
      this.getCookie();
    },
    methods: {
      getCode() {
        getCodeImg().then(res => {
          this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff;
          if (this.captchaOnOff) {
            this.codeUrl = "data:image/gif;base64," + res.img;
            this.loginForm.uuid = res.uuid;
          }
        });
      },
      getCookie() {
        const username = Cookies.get("username");
        const password = Cookies.get("password");
        const rememberMe = Cookies.get('rememberMe')
        this.loginForm = {
          username: username === undefined ? this.loginForm.username : username,
          password: password === undefined ? this.loginForm.password : decrypt(password),
          rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
        };
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true;
            if (this.loginForm.rememberMe) {
              Cookies.set("username", this.loginForm.username, { expires: 30 });
              Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
              Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
            } else {
              Cookies.remove("username");
              Cookies.remove("password");
              Cookies.remove('rememberMe');
            }
            this.$store.dispatch("Login", this.loginForm).then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
            }).catch(() => {
              this.loading = false;
              if (this.captchaOnOff) {
                this.getCode();
              }
            });
          }
        });
      }
    }
  };
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-image: url("../assets/images/background.png");
    background-size: cover;
  }
  .title1 {
    width: 400px;
    margin: 0px auto 30px auto;
    padding:50px;
    margin-top: 0;
    text-align: center;
    font-size: 30px;
    color:#fff;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;
    .el-input {
      height: 38px;
      input {
        height: 38px;
      }
    }
    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    height: 38px;
    float: right;
    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .loginPart{
    position:absolute;
    /*定位方式绝对定位absolute*/
    top:50%;
    left:50%;
    /*顶和高同时设置50%实现的是同时水平垂直居中效果*/
    transform:translate(-50%,-50%);
    /*实现块元素百分比下居中*/
    width:700px;
    padding:150px;
    background: rgba(0,0,0,.5);
    /*背景颜色为黑色，透明度为0.8*/
    box-sizing:border-box;
    /*box-sizing设置盒子模型的解析模式为怪异盒模型，
    将border和padding划归到width范围内*/
    box-shadow: 0px 15px 25px rgba(0,0,0,.5);
    /*边框阴影  水平阴影0 垂直阴影15px 模糊25px 颜色黑色透明度0.5*/
    border-radius:15px;
    /*边框圆角，四个角均为15px*/
  }
  .loginPart h2{
    margin:0 0 30px;
    padding:0;
    color: #fff;
    text-align:center;
    /*文字居中*/
  }
  .loginPart .inputbox{
    position:relative;
  }
  .loginPart .inputElement input{
    margin-left: 30px;
    width: 100%;
    padding:10px 0;
    font-size:16px;
    color:#fff;
    letter-spacing: 1px;
    /*字符间的间距1px*/
    margin-bottom: 20px;
    border:none;
    border-bottom: 1px solid #fff;
    outline:none;
    /*outline用于绘制元素周围的线
    outline：none在这里用途是将输入框的边框的线条使其消失*/
    background: transparent;
    /*背景颜色为透明*/
  }
  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .login-code-img {
    height: 38px;
  }
</style>
